bpmn-io/bpmn-js
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to bpmn-io/bpmn-js got a first human reply in a median of 34.1 hours (21 pull requests, 18 April to 15 October 2026); 13% got none within 14 days. It ranks 1,903 of 3,219 overall. It is not ranked for first-time contributors: this repository does not show a low enough barrier for a first-time contributor.
| Rank | 1,903 of 3,219 |
|---|---|
| Score | 48.02 |
| Tier | C |
| Median first reply | 34.1 hours |
| 14-day no-reply share | 13% |
| First-timer rank | This repository does not show a low enough barrier for a first-time contributor. |
| Ecosystem | JavaScript |
| Window | 18 April to 15 October 2026 |
Composite
- Rank
- 1,903 of 3,219
- Score
- 48.02
- Tier
- C
- Coverage
- 92% · Ceiling A
- Quadrant
- Crucible
Coordinates: leverage 51.0 (coverage 100%), friction 55.9 (coverage 85%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 55.0 | 75% |
| Criticality | 57.3 | 100% |
| Governance | 29.5 | 100% |
| Rigor | 54.7 | 100% |
| Accessibility | 38.9 | 85% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | Not shown: Insufficient sample size | ||||
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 13.3% | 73.3 | 15 | 20 April to 17 October 2026 | primaryraw/pr_window/bpmn-io__bpmn-js.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 33.3% | 41.7 | 12 | — | primaryraw/author_history/bpmn-io__bpmn-js.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 34.1 hours (1.4 days) | 62.4 | 21 | 18 April to 15 October 2026 | primaryraw/pr_window/bpmn-io__bpmn-js.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 484.7 hours (20.2 days) | 32.4 | 27 | 18 April to 15 October 2026 | primaryraw/pr_window/bpmn-io__bpmn-js.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | 623 | 69.8 | — | — | primaryraw/dependents/bpmn-io__bpmn-js.json |
| Monthly DownloadsDownloads from the package registry in a month. | 1.1 million downloads a month | 49.4 | — | — | primaryraw/downloads/npm__bpmn-js.json |
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4852 | 48.5 | — | — | primaryraw/github_meta/bpmn-io__bpmn-js.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 1 | 25.0 | 276 | — | primaryraw/commits_365d/bpmn-io__bpmn-js.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Company CLA | 25.0 | — | — | primaryraw/governance/bpmn-io__bpmn-js.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/bpmn-io__bpmn-js.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/bpmn-io__bpmn-js.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 52.5 | 52.5 | — | — | primaryraw/scorecard/bpmn-io__bpmn-js.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 14.0% | 17.4 | 43 | 18 April to 15 October 2026 | primaryraw/pr_window/bpmn-io__bpmn-js.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 70 | 70.0 | 27 | — | primaryraw/actions_runs/bpmn-io__bpmn-js.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 22.2% | 44.4 | 9 | — | primaryraw/author_history/bpmn-io__bpmn-js.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 2 | 20.0 | — | — | primaryraw/gfi/bpmn-io__bpmn-js.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Insufficient sample size | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,903 of 3,219 | 48.02 | C | Rated |
| First-timer | This repository does not show a low enough barrier for a first-time contributor. | |||
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | Fewer than 3 organizations account for most commits (not multi-vendor). | |||
| AI-assisted | 1,871 of 3,696 | 49.93 | C | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- c4a9e3d0093971a0128be8b3d998e49c79979e41cb96141675216c163f081211
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/dd.json, under the key bpmn-io/bpmn-js.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). bpmn-io/bpmn-js. Snapshot 2026-10-17. https://porchlamp.org/projects/bpmn-io/bpmn-js/. CC BY 4.0.
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